Connection of signal from separate ( child ) thread to slot of mainwindow (...
Hi, How are you doing? This is a relatively simple threading problem. I have a main thread where child thread were created and run called: @dcc = new DetectClassifyComputation();...
View ArticleCan QWidget::update() be called in a sub thread other than the GUI thread?
As the title’s question, I wrote a program to render the complex graphics at a sub-thread (want not to occupy much cpu time for the GUI thread in order to speed up user interaction response) into a...
View ArticleCube OpenGL ES 2.0 example on Windows XP with DirectX 9.0c
Hello, When I run the OpenGL ES 2.0 example on my Windows XP box with DirectX 9,0c, I get a blank window with the following warnings/errors. Can anyone shed light, what I am missing? *QGLShader::link:...
View ArticleHyperlink data in a QTreeItem
Hello, I have implemented my own QTreeItem, which shows data in different rows and columns. Now I want to add hyperlink in the third column. The Items in the third column should be shown as hyperlink,...
View ArticleQt Installer Framework - uninstall
Hi Is there a way of controlling what goes into the uninstaller that is created? I need to delete some files not specified in the unistaller Thanks
View ArticleHow could I register the files do not under the directories of Qt resource...
When I want to make my shader files(developed by glsl) as part of the resource system, it would complain that the files are not under the folder and need to copy them.The problem is, I don’t want to...
View ArticleHaving problem with showing the forms Of a Qvector Members
I have A class Named “Student” ! I have a Q Vector From Student class Now I want To show the form of the 2nd Student in my vector ! but when it shows It is empty , it doesn’t show things the thing in...
View Articleqt multiple QGLShaderProgram for one texture
I use two QGLShaderProgram’s for processing the texture. ShaderProgram1->bind(); // QGLShaderProgram ShaderProgram2->bind(); glBegin(GL_TRIANGLE_STRIP); ... glEnd(); ...
View ArticleGetting "Hello world" to work on Qt5
Hi! Please forgive me, but I am a complete newbie with Qt and am having silly troubles. I have downloaded Qt 5.0.2 and installed it on my Windows XP laptop. The installation is the default, and...
View ArticleDoes Qt 4.8.5 compile with VC11 (VS2012)?
I have downloaded the new Qt 4.8.5 RC2. Does this successfully compile with VC11 on 64 bit Win7?
View ArticleShrunk scrollbar takes up same amount of space.
I’m trying to shrink a scrollbar in a scroll area and have the area resize to use the space freeded up by the scrollbar. I can set the max and min size of the scrollbar in code to shrink it, but there...
View Articlei need help for finish task. can pay
Hello friends i need help with mentoring or development for finish task. I can pay the hours, best regards!
View Article#include no such file or directory
Hi,i user this tutorial : http://doc-snapshot.qt-project.org/qt5-stable/qtserialport/blockingmaster.html but when i want to run it qt creator error is: : error: Unknown module(s) in QT: serialport and...
View Articleinserting and pulling images from sql
Is there a way to insert and pull images from a sql db? I can do it with text but can’t figure out how to do it with images. here is what I’m doing for inserting and grabbing txt is there a way to...
View Article[SOLVED]Alternative to "make install" in Qt Creator
Howdy, Is there any GUI action in Qt Creator works just like “make install” in terminal?
View Articlehow to use qt4.8.4 in QtCreator 2.7 with alredy installed Qt5.0.2
I have been using qt5 without any problem. Now i need use the qt4 for a project and i can’t compile. I followed the tutorial to add a new QT version to QTcreator and seems no errors, However, when...
View Articlehaving difficulty with managing widgets
I Have a Class Named “Student” (this class dose have Form) And In my MainWindow I have A QVector From This Class ! Now I want To Show The form Of each Member Of the QVector But I Can’t ! (I’m Doing...
View Articlehow to open a text document( .doc or other) using Qt in linux
Hi, How can i open a document from the program , basically the document is kind of manual for our product. I actually want to create an Help kind of interface where the instructions are stored, but...
View ArticleFrameless Translucent QMainWindow with animation
Hello Every one. I’m trying to add some animation on a translucent QMainWindow. I have 2 panels I want to open but apparently the background doesn’t repaint correctly (even without animation, …) (see...
View ArticleStrange behavior of style sheets for QTableView
Hi all! I have an interesting issue with QTableView and simple QSS for it. I want to set bottom border, but when I set border-bottom: 2px solid black; nothing happens. When I set border for top:...
View Article